Biological Classification MCQ Questions with answers

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Biological Classification MCQ Questions /objective with answers Class 11 Biology  Chapter 2

1. Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. Currently, we use:

  • a. Three kingdom classification.
  • b. Four kingdom classification.
  • c. Five kingdom classification.
  • d. None.
Answer
c. Five kingdom classification.

2. Who gave The five-kingdom in 1969:

  • a. Carolus Linnaeus.
  • b. Ernst Mayer.
  • c. R.H. Whittaker.
  • d. None.
Answer
c. R.H. Whittaker.
 Biological Classification MCQ

3. Demerits of two-kingdom classification is/are:

  • a. Does not differentiate between autotroph and heterotroph.
  • b. Unicellular and multicellular organisms, both occupy the same group.
  • c. Prokaryote and eukaryote have the same group.
  • d. Does not differentiate between the chitinous cell wall of fungi and the cellulosic cell wall of plants.
  • e. All.
Answer
  • e. All.

4. Unicellular prokaryotes find his place in five kingdom classification as:

  • a. Monera.
  • b. Protists.
  • c. Fungi.
  • d. None.
Answer
  • a. Monera.

5. The oldest prokaryote is/are:

  • a. Archaebacteria.
  • b. Cyanobacteria.
  • c. Blue-green alga.
  • d. None.
Answer
  • a. Archaebacteria.

6. Study of archaebacteria is important because:

  • a. They are available in harsh conditions.
  • b. They differ from other bacteria in cell wall composition.
  • c. Both.
  • d. None.
Answer
  • c. Both.

7. Single-celled eukaryotes find his place as _ _ _ _ in five kingdom classification.

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. None.
Answer
  • b. Protista.

8. Most protists are:

  • a. Aquatic.
  • b. Terrestrial.
  • c. Aerial.
  • d. None.
Answer
  • a. Aquatic.

9. We classify protists into:

  • a. Chrysophyste which includes diatoms, golden algae.
  • b. Dinoflagellates which include Gonyaulax.
  • c. Euglenois which includes Euglena.
  • d. Saprophytic protists which include slime mold.
  • e. Protozoans which includes amoeba.
  • f. All.
Answer
  • f. All.

10. The common mushroom and toadstool that we see commonly belong to:

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. Plantae.
Answer
  • c. Fungi.

11. Scavengers of the earth are:

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. Plantae.
Answer
  • c. Fungi.

12. Which among these is/are useful fungi:

  • a. Fermentation yeast.
  • b. P. chrysogenum producing penicillin.
  • c. Edible mushrooms.
  • d. All.
Answer
  • d. All.

13. Most fungi are :

  • a. Autotroph.
  • b. Hetrotroph.
  • c. Chemolithotroph.
  • d. None.
Answer
  • b. Hetrotroph.

14. Lichen is symbiosis (mutual cooperation) between:

  • a. Protists and fungi.
  • b. Algae and fungi.
  • c. Protists and algae.
  • d. None.
Answer
  • b. Algae and fungi.

15. Mycorrhiza is a symbiotic association between the roots of some plants with _ _ _ _ _.

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. Plantae.
Answer
  • c. Fungi.
 16. A fungal hypha can reproduces vegetatively by:
  • a. Fragmentation.
  • b. Fission.
  • c. Budding.
  • d. Any of these.
Answer
  • d. Any of these.

17. Reproduction by spore formation like conidia or sporangiophores is a:

  • a. Vegetative reproduction.
  • b. Asexual reproduction.
  • c. Sexual reproduction.
  • d. None.
Answer
  • b. Asexual reproduction.
 18. Oospores, ascospores, and basidiospores form in fungal hyphae during:
  • a. Vegetative reproduction.
  • b. Asexual reproduction.
  • c. Sexual reproduction.
  • d. None.
Answer
  • c. Sexual reproduction.

19. How do we classify fungi?

  • a. Mycelium morphology.
  • b. Mode of spore formation.
  • c. Fruiting body.
  • d. All of the above.
Answer
  • d. All of the above.

20. We call sac fungi to:

  • a. Phycomycocetes.
  • b. Ascomycetes.
  • c. Basidiomycetes.
  • d. Deuteromycetes.
Answer
  • b. Ascomycetes.

21. P. chrysogenum is a fungus that produce penicillin. This fungi belong to:

  • a. Phycomycocetes.
  • b. Ascomycetes.
  • c. Basidiomycetes.
  • d. Deuteromycetes.
Answer
  • b. Ascomycetes.

22. “Fungi imperpecti” is:

  • a. Phycomycocetes.
  • b. Ascomycetes.
  • c. Basidiomycetes.
  • d. Deuteromycetes.
Answer
  • d. Deuteromycetes.
Explanation
Scintist do not know the sexual method of these fungi. So scientists call them fungi imperfecti

23. We see “alternation in generation” in :

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. Plantae.
Answer
  • d. Plantae.
Explanation
Plant life cycle have two stages diploid sporophytic (prominent) and haploid gametophtic stage. This alternate with generation

24. We see nutrition by ingestion “holozoic” in:

  • a. Monera.
  • b. Protista.
  • c. Fungi.
  • d. Plantae.
Answer
  • b. Protista.

25. There is no place for virus, viroids, prions in five kingdom classification. Because:

  • a. Their structure do not match with any group.
  • b. Viruses are not truly living.
  • c. None.
Answer
  • b. Viruses are not truly living.

Next:

Answers:

1. c 7. b 13. b 19. d
2. c 8. a 14. b 20. b
3. e 9. f 15. c 21. b
4. a 10. c 16. d 22. d
5. a 11. c 17. b 23. d
6. c 12. d 18.c 24. b
25.b

 

 

Biological Classification MCQ Questions /objective with answers Class 11 Biology  Chapter 2

 

Ref: Chapter 2, NCERT.

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